Total Chlorine Accuracy Check; 25 tubes per pack, dilute contents to 25mL yields a 1mg/L sample.

QCI-123 Storage & Instructions for Use
This product must be stored at 2-8°C. Prepare for use while still cold. Keep away from light. Add about 10 - 15 mL of reagent water to a 25 mL flask or cuvette.

Hold teflon tube vertically and tap to make sure all solution is in the lower part of the tube. Open the tube by snipping off the top with a sharp pair of scissors.

Hold tube into the flask or cuvette and aqueeze the bottom of the tube. The solution will release into the vessel. Bring to volume and mix by inversion 3-6 times. Proceed directly to analysis. Analysis should be completed as quickly as possible.

See demonstration video at www.nsilabsolutions.com